+1 vote
in Machine Dynamics by (34.3k points)
If E = Mean kinetic energy of the flywheel, CS = Coefficient of fluctuation of speed and Δ E = Maximum fluctuation of energy, then

(a) ΔE = E / CS

(b) ΔE = E^2 × CS

(c) ΔE = E × CS

(d) ΔE = 2 E × CS

The question was posed to me by my college director while I was bunking the class.

This intriguing question comes from Energy Stored in a Flywheel topic in portion Turning Moment Diagrams and Flywheel of Machine Dynamics

1 Answer

0 votes
by (38.6k points)
Correct option is (d) ΔE = 2 E × CS

Easy explanation: ΔE = Maximum K.E. — Minimum K.E.

ΔE = 2 E × CS

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